Maintenance and protection. Wipe with a damp or damp cleaning cloth with a neutral liquid detergent (such as dishwashing detergent). After wiping with a damp cloth, wipe the surface. Keep the action time of chemicals as short as possible. Avoid rubbing matte surfaces as they can easily become shiny. Stain removal. For all stains, first apply undiluted neutral liquid detergent. Particularly difficult stains, as well as marks after heat or moisture, can be gently rubbed with furniture wax. Must be avoided. Abrasive cleaning equipment and detergent. Uneven mechanical loading of the surface often leads to uneven gloss. Strong alkaline or acidic cleaners. Strong solvents such as acetone or thinner. The use of waxes because removal of them, if necessary, can cause problems. Hot items or hot water. Use plenty of water or the long-term effects of a liquid. Deep scratches through which grease and dirt can penetrate into the wood.